On 2/14/25 23:42, Cedric Blancher wrote:
cc: illumos-dev@ list. How does Solaris or Illumos behave? SUN/Solaris
invented SEEK_DATA/SEEK_HOLE, so this should be - aside from looking
at the OpenGroup/POSIX specs - the reference implementation.
Thanks for asking.
On Illumos, SEEK_DATA fails with ENXIO at EOF, and more generally fails
with ENXIO if there are no non-hole regions in the file after the passed
offset -- a file may end in a hole, so you may also get ENXIO for
offsets less than the file's length.
The lseek manpage says:
...
ERRORS
The lseek() function will fail if:
...
ENXIO
For SEEK_DATA, there are no more data regions past the
supplied offset. For SEEK_HOLE, there are no more holes
past the supplied offset.
- Bill
--
Problem reports: https://cygwin.com/problems.html
FAQ: https://cygwin.com/faq/
Documentation: https://cygwin.com/docs.html
Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
